diff --git a/.github/workflows/auto-testing.yml b/.github/workflows/auto-testing.yml
index 1bd134bf..baed03dd 100644
--- a/.github/workflows/auto-testing.yml
+++ b/.github/workflows/auto-testing.yml
@@ -23,7 +23,7 @@ jobs:
           - '3.13'
           - '3.14'
     steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         submodules: true
     - name: Set up Python ${{ matrix.python-version }}
@@ -58,7 +58,7 @@ jobs:
           - '3.13'
           - '3.14'
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           submodules: true
       - name: Set up Python ${{ matrix.python-version }}
@@ -77,7 +77,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Run pinact
         uses: suzuki-shunsuke/pinact-action@3d49c6412901042473ffa78becddab1aea46bbea # v1.3.1
         with:
diff --git a/.github/workflows/check-eol-newrelease.yml b/.github/workflows/check-eol-newrelease.yml
index 8cc1ff79..30a22bd0 100644
--- a/.github/workflows/check-eol-newrelease.yml
+++ b/.github/workflows/check-eol-newrelease.yml
@@ -15,7 +15,7 @@ jobs:
     if: github.repository == 'line/line-bot-sdk-python'
     steps:
       - name: Check out code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Run EoL & NewRelease check
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
diff --git a/.github/workflows/create-draft-release.yml b/.github/workflows/create-draft-release.yml
index 3707470f..81dbb091 100644
--- a/.github/workflows/create-draft-release.yml
+++ b/.github/workflows/create-draft-release.yml
@@ -45,7 +45,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Fetch Latest Release
         id: get-latest-release
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
diff --git a/.github/workflows/generate-code.yml b/.github/workflows/generate-code.yml
index 3e8aff6f..97206602 100644
--- a/.github/workflows/generate-code.yml
+++ b/.github/workflows/generate-code.yml
@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Setup
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           submodules: recursive
       - name: Update submodules
diff --git a/.github/workflows/label-issue.yml b/.github/workflows/label-issue.yml
index 0cff2210..247c91aa 100644
--- a/.github/workflows/label-issue.yml
+++ b/.github/workflows/label-issue.yml
@@ -13,7 +13,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Add label on issue open
         if: github.event.action == 'opened' || github.event.action == 'reopened'
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index a94923b7..130c5559 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -18,7 +18,7 @@ jobs:
     permissions:
       issues: write
     steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         submodules: true
     - name: Set up Python